/*
* Copyright 2008-2014 by Emeric Vernat
*
* This file is part of Java Melody.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.bull.javamelody;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import net.bull.javamelody.SamplingProfiler.SampledMethod;
import org.junit.Before;
import org.junit.Test;
/**
* Test unitaire de la classe HtmlHotspotsReport.
* @author Emeric Vernat
*/
public class TestHtmlHotspotsReport {
private static final int NB_ROWS = 100;
/** Initialisation. */
@Before
public void setUp() {
Utils.initialize();
}
private static List<JavaInformations> createJavaInformationsList() {
return Collections.singletonList(new JavaInformations(null, true));
}
private static void assertNotEmptyAndClear(final StringWriter writer) {
assertTrue("rapport vide", writer.getBuffer().length() > 0);
writer.getBuffer().setLength(0);
}
/** Test.
* @throws IOException e */
@Test
public void test() throws IOException {
final SamplingProfiler samplingProfiler = new SamplingProfiler(new ArrayList<String>(),
null);
final List<SampledMethod> emptyHotspots = samplingProfiler.getHotspots(NB_ROWS);
samplingProfiler.update();
final List<SampledMethod> hotspots = samplingProfiler.getHotspots(NB_ROWS);
final StringWriter writer = new StringWriter();
new HtmlHotspotsReport(emptyHotspots, writer).toHtml();
assertNotEmptyAndClear(writer);
new HtmlHotspotsReport(hotspots, writer).toHtml();
assertNotEmptyAndClear(writer);
final Counter counter = new Counter("test html report", null);
final Collector collector = new Collector("test", Collections.singletonList(counter));
final Period period = Period.TOUT;
final HtmlReport htmlReport = new HtmlReport(collector, null, createJavaInformationsList(),
period, writer);
htmlReport.writeHotspots(hotspots);
assertNotEmptyAndClear(writer);
}
}